vdB15 and Sh2-202 HaOiiiRGB (Göran Nilsson)

Celestial hemisphere: Northern · Constellation: Camelopardalis (Cam) · Contains: LBN 676 · LBN 677 · LBN 681 · LBN 682 · LBN 684 · LDN 1378 · LDN 1379 · LDN 1380 · LDN 1381 · LDN 1382 · LDN 1383 · LDN 1384 · LDN 1385 · LDN 1386 · PGC 166071 · PGC 166465 · PGC 168361 · PGC 2797465 · PGC 2797582 · PGC 2802320 · PK142+03.1 · Sh2-202 · VdB14 · VdB15

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vdB15 and Sh2-202 HaOiiiRGB

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vdB15 and Sh2-202 HaOiiiRGB

Here I have added about 9 hours HaOiii data (ASI2600MC with IDAS NBZ filter) collected yesterday to 6 hours of RGB data (no filter) collected 19 April 2021. This really lifted the background and the strikes of dark nebulosity on top of the Ha dust. There was not much Oiii signal and the blue structures are reflection nebulosity most apparent in the RGB data.

This is what Gary Imm had to say on Astrobin about these objects when he imagined them a few years ago. He is exceptional in reading up on the objects that he images: "The large red emission nebula on the right is Sh2-202. It is believed to be ionized by the cluster at upper right, Stock 23. This cluster is somewhat in the shape of a miniature Hercules Keystone. This is a magnitude 5.6 cluster of about 40 stars located 1200 light years away. It is sometimes called Pazmino's cluster, after John Pazmino wrote about it in Sky and Telescope in the late 70's. This cluster was surprisingly not included in any of the major object catalogs. The two reflection nebula on the left side are vdB 14 (top, illuminated by star HD 21291) and vdB 15 (bottom, illuminated by star HD 21389). These nebulae are about twice as far away as the emission region, at a distance of 2600 light years. The two blue refection nebulae have a pinkish cast, presumably from emission in the vicinity, and they each span about 20 light years."

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Celestron RASA
ZWO ASI 2600MC PRO
CMOS Imagers
"Nordish by nature"
The OSC Club (One Shot Camera)
Cooled Color Cams
Sharpless2 Objects

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Status	Advanced success
Started	...
Astrometry.net job	7116303
PixInsight job	13550LKMAR3TRY1RU8QDIVQHQFO5P9Y7
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	03h23m38s.46
RA (top/left)	03h38m40s.44
RA (top/right)	03h10m41s.95
RA (bottom/right)	03h09m25s.95
RA (bottom/left)	03h35m30s.90

Dec (center)	+59°39′15″.9
Dec (top/left)	+60°35′34″.9
Dec (top/right)	+61°00′38″.7
Dec (bottom/right)	+58°36′52″.7
Dec (bottom/left)	+58°13′39″.8

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vdB15 and Sh2-202 HaOiiiRGB

vdB15 and Sh2-202 HaOiiiRGB

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vdB15 and Sh2-202 HaOiiiRGB

vdB15 and Sh2-202 HaOiiiRGB

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