Deep Sky Object in Winter
Sh2-250 & Sh2-251 (Diffused Nebulae in Taurus)

Click on image to enlarge

Date & Time: Nov 13 2020, from 22:16 to 23:52 JST(+0900)
Composed 20 shots with 5 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-V4 Light-pollution suppression filter
Auto-guided with TAKAHASHI JP Equatorial & SBIG STV
Digital Camera: Canon EOS 6D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5472×3648)
Sensitivity...ISO2500


Sh2-250 / Diffused Nebula, type 5 E
R.A.04h 40m 09.0s (2000.0)
Dec.+07°18' 00" (2000.0)
Apparent Size10.0×2.5'
Real SizeN/A
Magnitude -
DistanceN/A
Sh2-251 / Diffused Nebula, type 5 E
R.A.04h 32m 59.0s (2000.0)
Dec.+05°57' 39" (2000.0)
Apparent Size15.0×5.0'
Real SizeN/A
Magnitude -
DistanceN/A
Other IDLBN 849
This image shows you extraordinary faint H-alpha emission nebulae positioned at the southern region of Taurus. You can trace about 3.5 degrees west from π3 Ori in a neighboring constellation. Reddish nebulae in upper left-hand side with a size of 10 arc minutes and in lower right-hand side with a span of 15-by-5 arc minutes are Sh2-250 and Sh2-251, respectively. These nebulae are belonging to the Orion-Eridanus Super bubble spread around the western region of Orion, emitting reddish Hα line activated with nearby stars by chance.



Sh2-247
Sh2-253

Copyright(c) 2020 by Naoyuki Kurita, All rights reserved.
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