Celestial hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  12 Mon  ·  13 Mon  ·  14 Mon  ·  15 S Mon  ·  16 Mon  ·  17 Mon  ·  2MRS J06543456+0703194  ·  B37  ·  B39  ·  Christmas Tree Cluster  ·  IC 2169  ·  IC 446  ·  IC 447  ·  IC 448  ·  LBN 898  ·  LBN 901  ·  LBN 903  ·  LBN 904  ·  LBN 911  ·  LBN 912  ·  LBN 920  ·  LBN 922  ·  LBN 929  ·  LBN 930  ·  LBN 931  ·  LBN 932  ·  LBN 936  ·  LBN 941  ·  LBN 943  ·  LBN 947  ·  And 243 more.
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The Monoceros SNR and SNR G206.9+2.3, Göran Nilsson
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The Monoceros SNR and SNR G206.9+2.3

Getting plate-solving status, please wait...
The Monoceros SNR and SNR G206.9+2.3, Göran Nilsson
Powered byPixInsight

The Monoceros SNR and SNR G206.9+2.3

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Description

The Monoceros SNR is the enormous circle of mainly Ha emission between the Rosette Nebula and the Cone Nebula. Above it is the much smaller (but still relatively large) and very faint blue Oiii-emitting SNR only named G206.9+2.3.

This is what my Samyang caught piggybacking on my dual-RASA rig over two recent nights. I have added about 50% RASA data to the Rosette and the blue SNR. For more info on the blue SNR see https://www.astrobin.com/8wuzok/

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