I have added and updated the materials below.
(Individual renewal dates are written in accordance with Japan Standard Time, JST)

3 images of Comet Pons-Brooks on Apr 10, comet 2021S3 PanSTARRS on early morning of Apr 13 & comet 2023A3 Tsuchinshan-ATLAS on Apr 13 are added in the album of Comets&Meteors.

6 images of Around NGC3447, NGC4592, NGC4636, Around NGC4666, Around NGC5899, Molecular cloud around ο UMa are added in the album of Deepsky in Spring.

2 images of Around NGC6286 & Arp102 are added in the album of Deepsky in Summer.

2 images of IC2120 & Molecular cloud around central Camelopardalis are added in the album of Deepsky in Winter.

An images of The Virgo Cluster is replaced in the album of Deepsky in Spring.

5 images of NGC2835, NGC4517, NGC4753, NGC4939, NGC5018, NGC5022 are replaced in the album of Deepsky in Spring.

An image of NGC2207 & IC2163 is replaced in the album of Deepsky in Winter.

An image of Comet Pons-Brooks on Mar 16 is added in the album of Comets&Meteors.

2 pages of Comet Pons-Brooks on Mar 9 & Comet 2021S3 PanSTARRS on early morning of Mar 9, 2024 are added in the album of Comets&Meteors.

An images of Comet Pons-Brooks on Mar 2, Comet Tsuchinshan1 on Mar 2 & Comet Kushida on Mar 2 are added in the album of Comets&Meteors.

2 images of NGC2654 & NGC4136 are added, 2 images of NGC4065 Group & Coma Cluster (Abell 1656) are replaced in the album of Deepsky in Spring.

An image of NGC2149 is added in the album of Deespky in Winter.

3 images of M48, Around M97 & M108, and Leo I are replaced in the album of Deepsky in Spring.

2 images of M45(The Pleiades), and Around Sh2-232 are replaced in the album of Deepsky in Winter.

6 images of Around NGC4958, UGC4305(Holmberg II), M101, NGC4027, NGC3981 & NGC3640 are replaced in the album of Deepsky in Spring.

An image of NGC1409, NGC1410 is replaced in the album of Deepsky in Winter.

4 images of Comet Pons-Brooks on Feb 10, Comet Tsuchinshan1 on Feb 9, Comet Kushida on Feb 11 & Comet 2021S3 PanSTARRS on early morning of Feb 10 are added in the album of Comets&Meteors.

2 images of Around NGC4274 and NGC4030 are replaced in the album of Deepsky in Spring.

An image of vdB55 is added, close-up image is added in a page of vdB62 in the album of Deepsky in Winter.

3 images of Comet Pons-Brooks on Jan 13, Comet Tsuchinshan1 on Jan 12 & Comet Kushida on Jan 12 are added in the album of Comets&Meteors.

2 images of IC2172 (NGC2282) & vdB49 are added, an image of California Nebula, Pleiades & Hyades is replaced in the album of Deepsky in Winter.

An image of Comet Pons-Brooks on Jan 5 is added in the album of Comets & Meteors.

4 images of NGC4293, NGC4448, NGC4689 & Abell 754 are added in the album of Deepsky in Spring.

2 images of Around Hind's variable nebula to Sh2-239 & NGC1350 are added, an image of Barnard's Loop to Rosette Nebula is replaced in the album of Deepsky in Winter.

An image of NGC4527, NGC4536 is replaced in the album of Deepsky in Spring.

2 images of NGC253 & NGC288 are replaced in the album of Deepsky in Autumn.

3 images of NGC1316, NGC1317, NGC1365 & NGC1532 are replaced in the album of Deepsky in Winter.

An image of NGC4100 is added in the album of Deepsky in Spring.

An image of UGCA86 is added in the album of Deepsky in Autumn.

4 images of vdB96, vdB98, NGC2280 & NGC2292, NGC2293 are added in the album of Deepsky in Winter.

2 images of Comet Tsuchinshan1 on Dec 17 & Comet Pons-Brooks on Dec 17 are added in the album of Comets & Meteors.

Spectrum profiles added in pages of NGC3226, NGC3227 & Sh2-308.

An image of NGC2444, NGC2445 is replaced in the album of Deepsky in Spring.

Close-up image is added in a page of M33 in the album of Deepsky in Autumn.

Close-up of NGC2024 in a page of Horse-head Nebula & NGC2024 and NGC1999, IC430 & Herbig-Haro object is replaced, close-up image is added in a page of Jerry-fish Nebula in the album of Deepsky in Winter.

3 images of Comet Hartley2 on Dec 8, Comet Tsuchinshan1 on Dec 8 & Comet Pons-Brooks on Dec 9 are added in the album of Comets & Meteors.

2 images of NGC600, NGC615 & Around vdB 9 are added in the album of Deepsky in Autumn.

6 images of NGC1723 Group, NGC1792, NGC1888, NGC1954, NGC2090, NGC2188 & Abell3381 are added, a close-up image of Sh2-239 is added in a page of Around Hind's variable nebula to Sh2-239 in the album of Deepsky in Winter.

2 images of M29 & M39 are replaced in the album of Deepsky in Summer.

2 images of NGC147 & NGC185 are replaced in the album of Deepsky in Autumn.

2 images of LBN826(Sh2-242) & NGC1808 are replaced in the album of Deepsky in Winter.

3 images of Comet Hartley2 on Nov 18, Comet 2023H2 Lemmon on Nov 18 & Comet Pons-Brooks on Nov 18-19 are added in the album of Comets & Meteors.

An image of Wide-field arouond IC1805 & IC1848 is replaced in the album of Deepsky in Autumn.

An image of Sh2-181, Sh2-182 is added, 4 images of Nebulosities between Perseus & Camelopardalis, IC59, IC63, Around Sh2-207, Sh2-210 & Wide-field around NGC7023 are replaced in the album of Deepsky in Autumn.

An image of vdB8 is added, Close-up of NGC6946 added in a page of NGC6939 & NGC6946, 4 images of NGC7009(Saturn Nebula), Sh2-188, IC342 & NGC457 are replaced in the album of Deepsky in Autumn.

An image of NGC1425 is added, an image of vdB37 is replaced in the album of Deepsky in Winter.

An image of Comet Hartley 2 on Oct 20 is added in the album of Comets & Meteors.

An image of NGC151 is added, 3 images of NGC157, Around NGC877, and M15 are replaced in the album of Deepsky in Autumn.

An image of Cylindrical map of Jupiter in Sep 2023 is added in the album of Moon & Planets.

An image of Veil Nebula through narrowband filter is added in page of Veil Nebula in the album of Deepsky in Summer.

An image of Squid Nebula is added in page of Sh2-129, an image of Molecular Cloud at western Pisces is added in the album of Deepsky in Autumn.

A page of Opposition surge of Saturn ring in 2023 (Heiligenschein phenomenon) is added in the album of Moon & Planets.

An image of Comet Pons-Brooks on Sep 17 is added in the album of Comets & Meteors.

An image of Molecular Cloud around ηDraconis is replaced in the album of Deepsky in Summer.

An image of Sh2-135 is replaced in the album of Deepsky in Autumn.

3 images of Comet Nishimura on early morning of Sep 10, Comet Hartley 2 on Sep 9 & Comet 2023E1 ATLAS on Sep 9 are added in the album of Comets & Meteors.

An image of Comet Nishimura on early morning of Sep 7, 2023 is added in the album of Comets & Meteors.

2 images of Abell 74 & vdB133 are added, an image of Sh2-88 is replaced in the album of Deepsky in Summer.

An image of Comet Nishimura on early morning of Sep 2, 2023 is added in the album of Comets & Meteors.

An image of Comet Nishimura on early morning of Aug 26, 2023 is added in the album of Comets & Meteors.

A page of Jupiter images in season of 2023 is added in the album of Moon & Planets.

A page of Saturn images in season of 2023 is added in the album of Moon & Planets.

3 images of Comet Nishimura on early morning of Aug 21, 2023, Comet Hartley 2 on Aug 20, 2023, and Comet 2020V2 ZTF on Aug 20, 2023 are added in the album of Comets & Meteors.

2 images of Comet 2023E1 Atlas on Aug 18 & Comet Pons-Brooks on Aug 18 are added in the album of Comets & Meteors.

A page of Perseids meteor shower 2023 is added in the album of Comets & Meteors.

Spectral profile on Jul 16 is added in the page of Supernova 2023ixf in M101.

An image of Comet 2023E1 ATLAS on Jul 16 is added in the album of Comets & Meteors.

Images of Sh2-119 & Around NGC7585 are replaced in the album of Deepsky in Summer & Autumn, respectively.

An image of Arp 148(Mayall's Object) is added in the album of Deepsky in Spring.

3 images of NGC6702 & NGC6703, NGC6745, and NGC6826(Blinking Planetary) are replaced in the album of Deepsky in Summer.

An image of Comet 2023E1 ATLAS on Jun 17 is added in the album of Comets & Meteors.

An image of IC4812 & surrounding molecular cloud is added, an image of Sh2-59 & Sh2-60 is replaced in the album of Deepsky in Summer.

A page of Supernova 2023ixf in M101 is added in the album of Deepsky in Spring.

2 images of NGC6539 & IC1276 are added, 3images of M22, M28 & M56 are replaced in the album of Deepsky in Summer.

2 images of NGC4429 & NGC5529 are replaced in the album of Deepsky in Spring.

3 images of Cr399, M5 & M9 are replaced, an image of Sh2-75, Sh2-76 is added in the album of Deepsky in Summer.

An images of M65, M66, NGC3628is replaced in the album of Deepsky in Spring.

2 images of Around NGC4442 & Arp248 are replaced in the album of Deepsky in Spring.

An image of Sh2-80 is added, 4 images of M4, M19, M62, and M107 are replaced in the album of Deepsky in Summer.

2 images of Around NGC4261 and NGC4526 & NGC4535 are added in the album of Deepsky in Spring.

An image of Around Sh2-267 to Sh2-271 is added in the album of Deepsky in Winter.

6 images of NGC3115(Spindle Galaxy), NGC4710, Abell 36, M53, NGC5053, NGC5694 are replaced in the album of Deepsky in Spring.

An image of Medusa Nebula is replaced in the album of Deepsky in Spring.

Images of Comet 2022E3 ZTF on Feb 24 and Comet 2020V2 ZTF on Feb 25 are added in the album of Comets & Meteors.

An image of Comet 2022E3 ZTF on Feb 11 is added in the album of Comets & Meteors.

2 images of NGC5297 & UGCA150 are added in the album of Deepsky in Spring.

An image of PK138+4.1(Sh2-200) is added in the album of Deepsky in Autumn.

3 images of Abell 13, Around Sh2-270, Sh2-271, and Around Sh2-284 to Sh2-287 are added, an image of The Angel Fish is replaced in the album of Deepsky in Winter.

An image of NGC3511, NGC3513 is replaced in the album of Deepsky in Spring.

5 images of IC2118, IC2169, Sh2-278, NGC1255, NGC1371 are replaced in the album of Deepsky in Winter.

An image of Comet 2022E3 ZTF on Jan 30-31 is added in the album of Comets & Meteors.

An image of Comet 2022E3 ZTF on Jan 28 is added in the album of Comets & Meteors.

An image of Comet 2020V2 ZTF on Jan 20 is added in the album of Comets & Meteors.

Images of Comet 2022E3 ZTF on Jan 20-21 are added in the album of Comets & Meteors.

An image of Around NGC2708 is added in the album of Deepsky in Spring.

Images of NGC1073 and magnified image of M32 & NGC205 (in page of M31(Andromeda Galaxy)) are added in the album of Deepsky in Autumn.

2 images of Molecular Cloud around IC2118 & Sh2-299, Sh2-300 are added, 2 images of IC466 & Around IC426 are replaced in the album of Deepsky in Winter.

An image of NGC3132 is replaced in the album of Deepsky in Spring.

5 images of Around Sh2-176, Sh2-205, M31, M74, NGC7541, NGC7537 are replaced in the album of Deepsky in Autumn.

5 images of Monkey Nebula, vdB93, Around Sh2-216, Sh2-221, Around Sh2-227, Sh2-228, NGC1325, NGC1332 are replaced in the album of Deepsky in Winter.

Images of Comet 2022E3 ZTF on early morning of Jan 2 & Comet 2020V2 ZTF on Jan 1 are added in the album of Comets & Meteors.

2 images of Comet Schwassmann-Wachmann 1 on Dec 23 & Comet 2020V2 ZTF on Dec 24 are added in the album of Comets & Meteors.

Images of Comet 2022E3 ZTF on early morning of Dec 25 are added in the album of Comets & Meteors.

An image of Autumnal Milky Way & Counterglow is added, an image of Winter's Milky Way taken with whole-sky camera is replaced in the album of Milky Way.

An image of Around Sh2-98 is added in the album of Deepsky in Summer.

3 images of Around NGC7184, Around NGC7242, and Around IC284 is added, an image of Abell 168 is replaced in the album of Deepsky in Autumn.

2 images of Comet Schwassmann-Wachmann 1 on Dec 3 & Comet 2020V2 ZTF on Dec 3 are added in the album of Comets & Meteors.

2 images of Grus and Phoenix are replaced in the album of Constellations.

A page of Uranus Occultation during Lunar Eclipse (Nov 8, 2022) is added in the album of Eclipse.

3 pages of Lunar eclipse, movement of moon (Nov 8, 2022, Continuous composed image of Total Lunar Eclipse (Nov 8, 2022), and Eclipsed Moon with winter constellations (Nov 8, 2022) are added in the album of Eclipse.

A page of Progress of Total Lunar Eclipse, HDR composite images (Nov 8, 2022) is added in the album of Eclipse.

A page of Progress of Total Lunar Eclipse (Nov 8, 2022) is added in the album of Eclipse.

A page of Total Lunar Eclipse & Uranus Occultation on Nov 8 (Review) is added in the album of Eclipse.

An image of NGC6820 is replaced in the album of Deepsky in Summer.

3 images of NGC7822, Ced214, Around PK136+5.1, Abell6 & HCG87 are replaced in the album of Deepsky in Autumn.

2 images of Sh2-223, 224 & Sh2-245(Orion-Eridanus super bubble) are replaced in the album of Deepsky in Winter.

6 images of Sh2-151, Around NGC7396, Around NGC7407, Around NGC7448, NGC7497, and Arp 3 are added in the album of Deepsky in Autumn.

4 images of Sh2-132, Sh2-140, Around Sh2-142, and Sh2-173 are replaced in the album of Deepsky in Autumn.

An image of NGC6888 (Crescent Nebula) is replaced in the album of Deepsky in Summer.

A close-up image added in a page of Sh2-155, 2 images of NGC7635 (Bubble Nebula) & NGC7331 & Stephan's quintet are replaced in the album of Deepsky in Autumn.

A page of Saturn images in season of 2022 is added in the album of Moon & Planets.

A page of Jupiter images in season of 2022 is added in the album of Moon & Planets.

4 images of Milky Way in Cygnus to Aquila, Central region in the Galaxy, Summer's Milky Way taken with whole-sky camera and Wintry Milky Way & Constellations are replaced in the album of Milky Way.

An image of Nebulosity around soouthern Orion is added in the album of Deepsky in Winter.

An image of North American Nebula is replaced in the album of Deepsky in Summer.

A wide-field image added in the page of Around vdB152 & LDN1235, an image of Molecular cloud around β Aquarii is added in the album of Deepsky in Autumn.

An image of Molecular Cloud around Polaris is replaced in the album of Deepsky in Spring.

An image of Sh2-85 is added, close-up image of B63 is added in page of Around B268, B63, an image of Around NGC6723 is replaced in the album of Deepsky in Summer.

An image of Sagittarius is replaced in the album of Constellations.

2 images of Rising Dawn Moon, Venus, Mars & Jupiter & 9 hours in an early summer night (Time Lapse) are added in the album of Stellar Scenes.

An image of Comet 2017K2 PanSTARRS on Jun 24 is added in the album of Comets&Meteors.

4 images of NGC3486, IC4182, NGC3607, NGC3608, and NGC5033 are replaced in the album of Deepsky in Spring.

2 images of Sh2-72 and NGC6124 are replaced, 3 images of Sh2-53, Sh2-113, Sh2-114, and vdB111 are added in the album of Deepsky in Summer.

2 images of Centaurus and Scorpius are replaced in the album of Constellations.

3 images of Nebulosities around head of Scorpius, Sh2-54, and Snake Nebula are replaced in the album of Deepsky in Summer.

An image of Comet 2017K2 PanSTARRS on May 27 is added in the album of Comets&Meteors.

An image of Around NGC4008 is added in the album of Deepsky in Spring.

3 images of Sh2-3, Sh2-59 & Sh2-60, and IC1257 are added in the album of Deepsky in Summer.

An image of Summer Milky Way and constellations is added in the album of Milky Way.

2 images of Aiming at the Milky Way & Sinking Crescent Moon between trees are added in the album of Stellar Scenes.

2 images of Around NGC3684 & NGC5466 are replaced in the album of Deepsky in Spring.

4 images of Sh2-1 & Sh2-7, Around Sh2-16, Arp 254, NGC6366 are replaced in the album of Deepsky in Summer.

An image of Comet 2017K2 PanSTARRS on May 3 is added in the album of Comets&Meteors.

2 images of IC1295 & Around B97 are added, magnified image around the Cygnus Wall is added in North American Nebula,
3 images of Around Sh2-24, 33, Draco dwarf galaxy & Around Abell45 & IC1287 are replaced in the album of Deepsky in Summer.

3 images of NGC3672, IC2574 and NGC4125 are replaced in the album of Deepsky in Spring.

3 images of M80, M92 and NGC5986 are replaced in the album of Deepsky in Summer.

An image of Lupus is replaced in the album of Constellations.

An image of Comet 2017K2 PanSTARRS on early morning of Apr 9 is added in the album of Comets&Meteors.

An image of IC4592 is replaced in the album of Deepsky in Summer.

An image of Horse head Nebula is replaced in Full-HD compatible Wallpapers.

3 images of NGC5963, NGC5965, UGCA168 and Abell 36 are added in the album of Deepsky in Spring.

2 images of Sh2-73 and Abell 2147, 2152 are added in the album of Deepsky in Summer.

An image of Molecular Cloud around η Draconis is replaced in the album of Deepsky in Summer.

An image of Great curve & triangle in Spring is replaced in the album of Constellations.

6 images of M85, NGC4450, M100, NGC3945, Around NGC5982 and NGC5474 are replaced in the album of Deepsky in Spring.

An image of Wide field around Monkey & Jerry-fish Nebulae is replaced in the album of Deepsky in Winter.

5 images of M61, Around NGC5044, NGC5084, NGC5170 and NGC5247 are replaced in the album of Deepsky in Spring.

An image of NGC1973 is replaced in the album of Deepsky in Winter.

Images of Comet Churyumov-Gerasimenko on Feb 25, Comet 2019L3 ATLAS on Feb 25, Comet 2017K2 PanSTARRS on early morning of Feb 26 & Comet Borrelly on Feb 26 are added in the album of Comets&Meteors.

An image of Around NGC4438 is replaced in the album of Deepsky in Spring.

Images of Comet Churyumov-Gerasimenko on Feb 4 & Comet Borrelly on Feb 5 are added in the album of Comets&Meteors.

An image of NGC3137 is added in the album of Deepsky in Spring.

2 images of UGC12613 and Around NGC7385, 7386 are added in the album of Deepsky in Autumn.

2 images of Horse Head Nebula & NGC2024 & Close-up of Horse Head Nebula are replaced, an image of Magnified image of IC405 is added in a page of Around IC405, IC410 in the album of Deepsky in Winter.

4 images of Arp205, Arp299, NGC3109 & NGC3226, NGC3227 are replaced in the album of Deepsky in Spring.

3 images of Jones1, Around IC167, NGC691 & NGC7640 are replaced in the album of Deepsky in Autumn.

2 images of Melope Nebula & Around Sh2-216, Sh2-221 are replaced in the album of Deepsky in Winter.

An image of Hydra is replaced in the album of Constellations.

Images of Comet Churyumov-Gerasimenko on Jan 3, Comet 2019L3 ATLAS on Jan 3 & Comet Borrelly on Jan 3 are added in the album of Comets&Meteors.

2 images of Autumnal Milky Way & Constellations & Wintry Milky Way & Constellations are added in the album of Milky Way.

An image of UGC4305(Holmberg II) is added in the album of Deepsky in Spring.

5 images of CED211, PK107+7.1, IC298(Arp147), NGC720, Around NGC7550, Abell 2572 are added in the album of Deepsky in Autumn.

4 images of HCG31, Sh2-243, PK197-6.1, NGC2204 are added in the album of Deepsky in Winter.

2 images of NGC2537 & IC2233, NGC3239 are replaced in the album of Deepsky in Spring.

An image of vdB24 is replaced in the album of Deepsky in Autumn.

5 images of NGC1535, NGC2022, NGC1337, NGC1253, LBN826 (Sh2-242) are replaced in the album of Deepsky in Winter.

10 images below are replaced in the album of Deepsky in Autumn.
Sh2-136, Sh2-135, Sh2-176, Sh2-188, NGC7133, NGC7142, NGC6939 & NGC6946, NGC660, UGCA444, Abell 151, Around NGC1042

An image of Close-up of Cone Nebula is replaced in the album of Deepsky in Winter.

3 images of Puppis, Monoceros & Camelopardalis are replaced in the album of Constellations.

Images of Comet Churyumov-Gerasimenko on Dec 4, Comet Churyumov-Gerasimenko on Dec 10 & Comet 2019L3 ATLAS on Dec 10 are added in the album of Comets&Meteors.

Image of Comet 2021A1 Leonard on early morning of Dec 11 is added in the album of Comets&Meteors.

Images of Comet 2021A1 Leonard on Dec 3-4 are added in the album of Comets&Meteors.

Images of Comet 2021A1 Leonard on Nov 27-28, Comet Churyumov-Gerasimenko on Nov 28 & Comet 2019L3 ATLAS on Nov 27 are added in the album of Comets&Meteors.

An image of Around Sivan 2 is added, 2 images of NGC1003 & vdB14, vdB15 are replaced in the album of Deepsky in Autumn.

3 images of Around NGC2182, Sh2-239 & NGC1300 are replaced in the album of Deepsky in Winter.

5 pages of the Partial lunae eclipse on Nov 19, 2021 below are added in the album of Eclipse.
Progress of Lunar Eclipse, Progress of Lunar Eclipse, HDR composite images, Movement of Moon, Continuous composed image of Partial Lunar Eclipse, Eclipsed Moon with the Hyades & Pleiades

A page of Partial Lunar Eclipse on Nov 19, 2021 (Review) is added in the album of Eclipse.

2 images of NGC6934 & NGC7006 are replaced in the album of Deepsky in Summer.

2 images of Cart Wheel Galaxy & M72 & M73 are replaced in the album of Deepsky in Autumn.

2 images of Cetus & Sculptor are replaced in the album of Constellations.

Images of Comet Churyumov-Gerasimenko on Nov 5 & Comet 2019L3 ATLAS on Nov 5 are added in the album of Comets&Meteors.

An image of Comet Churyumov-Gerasimenko on Oct 10 (with Crab Nebula) is added in the album of Comets&Meteors.

An image of Cylindrical Map of Jupiter in July 2021 is added in the album of Moon&Planets.

An image of Close-up of NGC6334(Cat's paw nebula) is replaced in the album of Deepsky in Summer.

An image of Around NGC6914 is added, 2 images of IC1318 & IC4701 are replaced in the album of Deepsky in Summer.

A page of Opposition surge of Saturn ring in 2021 (Heiligenschein phenomenon) is added in the album of Moon&Planets.

An image of Sh2-120, Sh2-121 is added in the album of Deepsky in Summer.

An image is added in the page of Nebulosities around Cassiopeia & Cepheus in the album of Deepsky in Autumn.

A page of Saturn images in season of 2021 is added in the album of Moon&Planets.

6 images of Great triangle in summer, Vulpecula, Sagitta, Delphinus, Lacerta, Equuleus are replaced in the album of Constellations.

4 images of Bug Nebula(NGC6302), NGC6822(Barnard's Galaxy), M11, M26 are replaced in the album of Deepsky in Summer.

A page of Jupiter images in season of 2021 is added in the album of Moon&Planets.

An image of Total lunar eclipse on May 26, 2021 (Magnitude 69%) is added in the album of Eclipse.

An image of NGC5068 is added, 2 images of NGC4731 & NGC5078, NGC5101 are replaced in the album of Deepsky in Spring.

3 images of M10, M12, and M14 are replaced in the album of Deepsky in Summer.

2 images of Scutum & Ursa Minor are replaced in the album of Constellations.

Images of Comet 2020R4 ATLAS on May 3, 2021 and Comet 2020T2 Palomer on May 3, 2021 are added in the album of Comets & Meteors.

2 images of NGC4145, NGC4151 & Sh2-313 are added, an image of NGC4866 is replaced in the album of Deepsky in Spring.

An image of Around Abell45 & IC1287 is added, 2 images of NGC6772 & Sh2-88 are replaced in the album of Deepsky in Summer.

An image of Comet 2020R4 ATLAS on early morning of Apr 11, 2021 is added in the album of Comets & Meteors.

An image of NGC3877 is added, 6 images of Antlia Cluster, NGC3621, Around NGC5221, Shapley8, HCG40 & ESO510-13 are replaced in the album of Deepsky in Spring.

An image of NGC6118 is replaced in the album of Deepsky in Summer.

A magnified image is added in a page of Gum Nebula in the album of Deepsky in Winter.

4 images of NGC2742 & NGC2768, NGC2841, Around NGC2857, NGC5907 are replaced in the album of Deepsky in Spring.

2 images of NGC772 and NGC925 are replaced in the album of Deepsky in Autumn.

4 images of NGC4096, NGC5023, Around NGC2804, NGC2809 & Abell 1142 are added in the album of Deepsky in Spring.

3 images of Around vdB158, Abell 2634 & UGC1281 are added in the album of Deepsky in Autumn.

5 images of Sh2-202, Around Sh2-211, Sh2-212, Around Sh2-207, Sh2-210, Arp 166 & NGC1528, NGC1491 are replaced in the album of Deepsky in Autumn.

2 images of NGC2467 & Sh2-263, Sh2-265 are replaced in the album of Deepsky in Winter.

2 images of Around NGC2795 & Around NGC3158 are added in the album of Deepsky in Spring.

4 images of vdB1, PK149-3.1, Molecular cloud around ηAri & Abell 397 are added in the album of Deepsky in Autumn.

2 images of IC448 & Sh2-260, Sh2-262 are added, a magnified image is added in page of M42.

7 images of NGC3319, NGC3254, NGC3338, NGC2775, NGC2787, NGC3310 and UGCA205 are replaced in the album of Deepsky in Spring.

5 images of NGC1501, NGC1579, IC1470, IC10 and NGC7741 are replaced in the album of Deepsky in Autumn.

3 images of NGC2371, NGC1788 and NGC1964 are replaced in the album of Deepsky in Winter.

An image of The Dawn Moon & Venus is added, 2 images of Rosette Nebula & California Nebula are replaced in Full-HD compatible Wallpapers.

An image of Sh2-290 is replaced in the album of Deepsky in Spring.

Images of California Nebula is replaced, Wide-field of NGC185 & NGC147 is added in the album of Deepsky in Autumn.

Images of M1, Rosette Nebula & vdB93 are replaced, Sh2-280, 282, 284 is added in the album of Deepsky in Winter.