Deep Sky Object in Summer
Around Sh2-98 (Diffused Nebulae in Cygnus)

Click on image to enlarge

Date & Time: Oct 22 2022, from 20:11 to 21:40 JST(+0900)
Composed 8 shots with 10 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-D1 Light-pollution suppression filter
Auto-guided with TAKAHASHI JP Equatorial+SBIG STV
CMOS Camera: ZWO ASI2600MC Pro (Cooled temp.: -15°C)
Location: Ooizumi, Hokuto city, Yamanashi pref.

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


Sh2-98 / Diffused Nebula, type 6 E
R.A.19h 58m 44.4s (2000.0)
Dec.+31°25' 17" (2000.0)
Apparent Size10.0'
Real Size34 light yrs.
Magnitude -
Distance11700 light yrs.
Other IDsLBN 154
vdB 128 / Reflection Nebula, type R
R.A.20h 04m 29.2s (2000.0)
Dec.+32°13' 38" (2000.0)
Apparent Size8.0'
Real Size8 light yrs.
Magnitude -
Distance3500 light yrs.
Other IDs -
This image shows faint emission nebulae located in the southern tip of Cygnus; 7 degrees northeast of Albireo. Sh2-98 is a circular Hα nebula with an apparent diameter of about 10 arcmin visible in the lower right of the field. The reflection nebula vdB128 is about 1.4 deg northeast of Sh2-98 and about 8 arc minutes in size at the upper left of the field. In the picture, you can see that there is a faint Hα nebula between them. Sh2-98 is located more than three times farther than vdB128.



Sh2-97
Diffused Nebula around eta Cyg(Sh2-101)

Copyright(c) 2022 by Naoyuki Kurita, All rights reserved.
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