Celestial hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  IC 2177  ·  IC 468  ·  LBN 1027  ·  LBN 1030  ·  LBN 1033  ·  LBN 1034  ·  LBN 1035  ·  LBN 1037  ·  LBN 1038  ·  LBN 1039  ·  LBN 1040  ·  LBN 1041  ·  LDN 1658  ·  NGC 2327  ·  NGC 2335  ·  NGC 2343  ·  NGC 2345  ·  NGC 2353  ·  NGC 2359  ·  PK223-02.1  ·  PK225+00.1  ·  PK225-02.1  ·  Sh2-292  ·  Sh2-295  ·  Sh2-296  ·  Sh2-297  ·  Sh2-298  ·  VdB90  ·  VdB91  ·  VdB92  ·  And 2 more.
SEAGULL NEBULA and THOR'S HELMET, AdAstro
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SEAGULL NEBULA and THOR'S HELMET

SEAGULL NEBULA and THOR'S HELMET, AdAstro
Powered byPixInsight

SEAGULL NEBULA and THOR'S HELMET

Equipment

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Acquisition details

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Description

SEAGULL NEBULA and THOR'S HELMET

The upper left is, IC 2177, also known as the Seagull Nebula. A broad region of nebulosity located on the border between Monoceros and Canis Major, rich in Hydrogen-alpha.

The lower right is, NGC 2359, a bright emission and/or reflection nebula in Canis Major, nicknamed Thor's Helmet. This a beautiful O-iii region. One of my favorites 

----My Instruments------
Scope: Radian 61 (274mm) 🔭 @radiantelescopes
Mount:  EQM 35PRO ⚙ 
Main Camera:  ASI1600MM 📷 @zwoasi
Guide Camera: Asi120mm-mini 📷 
Guide Scope:  Svbony SV165 🔭 @svbonyastronomy
ZWO 5V EAF ⚙
ZWO EFW 8-position
Antlia 3nm: Ha 🔴, Siii🟢, Oii🔵
Brain: AsiAir Pro 🧠
HOO palette 🎨 

MOSAIC 

----PANE TWO---
Ha - 30 x 300 sec
OIII - 30 x 300 sec
BIN1x1
Dithered (every 3 frames at 5 pixels)
138 gain
-20 degree

----PANE ONE---
Ha - 30 x 300 sec
OIII - 30 x 300 sec
BIN1x1
Dithered (every 3 frames at 5 pixels)
138 gain
-20 degree

Total integration between to panes: 10hrs

----Calibration-----
30 darks
30 flats
100 bias

----Processing----
DSS/Pixinsight/Ps.

Comments

Sky plot

Sky plot

Histogram

SEAGULL NEBULA and THOR'S HELMET, AdAstro