Deep Sky Object in Autumn
Sh2-205 (Diffused Nebula in Perseus)

Click on image to enlarge

Date & Time: Dec 24 2022, from 22:47 to 25:19 JST(+0900)
Mosaic of 2 flames of 8min.×6shots
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.: -25°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


Sh2-205 / Diffused Nebula, type 5 E
R.A.03h 53m 00.0s (2000.0)
Dec.+53° 00' 00" (2000.0)
Apparent Size120×60'
Real Size100 light yrs.
Magnitude -
Distance2930 light yrs.
Other IDsLBN701
Sh2-205 is a dimmed but vast reddish H-alpha nebula spread around the border of Perseus and Camelopardalis. The nebula has a visual size of about 2 degrees in north south direction and a degree in east west. You need extraordinary conditioned night atmosphere to catch the nebula on films or digital devices.



Sh2-204
Around Sh2-207, 210

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