Deep Sky Object in Summer
Sh2-46 (Diffused Nebula in Serpens)

Click on image to enlarge

Date & Time: Jun 29 2024, from 22:39 to 23:43 JST(+0900)
Composed 9 shots with 8 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with LPS-D1 Light-pollution suppression filter
Auto-guided with TAKAHASHI EM-200 Equatorial & Lacerta M-GEN
CMOS Camera: ZWO ASI2600MC Pro (Cooled temp.: -10°C)
Location: Furudono town, Fukushima pref.

Camera Settings: Recording format...16bit FITS, converted to 16bit TIFF(6248×4176)
Device Size...23.5×15.7mm, Gain...100


Sh2-46 / Diffused Nebula, type 3 E
R.A.18h 06m 10.0s (2000.0)
Dec.-14°11' 00" (2000.0)
Apparent Size27.0×17.0'
Real Size16 light yrs.
Magnitude -
Distance2000 light yrs.
Other IDsLBN 58, RCW 158
Sh2-46 is a slightly faint Hα nebula seen near the southern end of the constellation Serpens (Cauda). It is located about 1.5 degrees west of the famous Eagle Nebula (M16) in the same constellation. It has an almost circular shape with an apparent diameter of about 20 arc minutes and does not exhibit a very complex structure. It is estimated to be 2,000 light-years away from the Solar System.



Around Sh2-24, Sh2-33
Sh2-48, Sh2-50

Copyright(c) 2024 by Naoyuki Kurita, All rights reserved.
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