Deep Sky Object in Summer
Sh2-72 (Diffused Nebula in Aquila)

Click on image to enlarge

Date & Time: Jun 3 2022, from 24:59 to 25:55 JST(+0900)
Composed 8 shots with 8 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-D1 Light-pollution suppression filter
Auto-guided with TAKAHASHI EM-200 Equatorial+Lacerta M-GEN
CMOS Camera: ZWO ASI2600MC Pro (Cooled temp.: -15°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


Sh2-72 / Diffused Nebula, type5 E
R.A.19h 03m 50.3s (2000.0)
Dec.+02°18' 50" (2000.0)
Apparent Size25.0'
Real Size5 light yrs.
Magnitude -
Distance1260 light yrs.
Other IDsLBN 104, RCW 179
Sh2-72 is a minor emission nebula positioned in the Milky Way of western Aquila. Although the nebula has a visual diameter of 25 arc minutes, looks extraordinary dimmed, you can detect the nebula only in long-exposed images. The constellation of Aquila has almost no impressive nebulae nevertheless that the constellation has bathed in the summer's Milky Way. The Sh2-72 can be grouped in one of "photogenic" nebulae in the constellation.
A small globular cluster of NGC6749 can be seen in 30 arc minutes southeast of Sh2-72. Moreover a tiny planetary nebula of Sh2-71 is lying at 20 arc minutes west.



Sh2-71
Sh2-73

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