Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  14.87  ·  15 Sgr  ·  16 Sgr  ·  17 Sgr  ·  740 Cantabia  ·  B304  ·  B307  ·  B92  ·  B93  ·  IC 1283  ·  IC 1284  ·  IC 4715  ·  M 24  ·  NGC 6567  ·  NGC 6578  ·  NGC 6589  ·  NGC 6590  ·  NGC 6595  ·  NGC 6603  ·  PK010-01.1  ·  PK011-00.1  ·  PK011-00.2  ·  PK012-02.1  ·  Sh2-35  ·  Sh2-37  ·  Sh2-39  ·  Sh2-41  ·  Sh2-43  ·  Small Sgr Star Cloud  ·  The star 15Sgr  ·  And 5 more.
Getting plate-solving status, please wait...
Gum 78 Area, HaRGB, Wide Field, Stephen Garretson
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Gum 78 Area, HaRGB, Wide Field

Getting plate-solving status, please wait...
Gum 78 Area, HaRGB, Wide Field, Stephen Garretson
Powered byPixInsight

Gum 78 Area, HaRGB, Wide Field

Equipment

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Acquisition details

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Description

Here's the wide field...field radius of ~2.35°...of the area around Gum 78, centered on the star SAO 161217, rendered in HaRGB.

Same dual RedCat/WhiteCat system.

~4.5 hours 900s Ha subs @ Unity Gain

Baader 3.5nm and 7nm filters

~1 hour each 30s subs RGB @ Gain 18, Offset 10

Astrodon E Series Gen II RGB

Processing roughly the same as the recently posted Tulip Nebula Area.

Comments

Sky plot

Sky plot

Histogram

Gum 78 Area, HaRGB, Wide Field, Stephen Garretson

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The refractors!
ZWO ASI1600MM/QHY163M