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Getting plate-solving status, please wait...
RCW 4, Area, Ha, Stephen Garretson
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RCW 4, Area, Ha

Getting plate-solving status, please wait...
RCW 4, Area, Ha, Stephen Garretson
Powered byPixInsight

RCW 4, Area, Ha

Equipment

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Acquisition details

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Description

RCW 4 is the wispy nebulosity east of IC 2177, the Seagull Nebula. 

[27] guided 600s Ha subs
total integration: 4 hours, 30 minutes

capture:
For this image each of the three imaging setups is composed of:
Borg 55FL f/3.6, 6 element Petzval Astrograph
ASI 2600MM Pro
Gerd Neumann Camera Tilt Adjuster
ZWO EAF
ZWO EFW
Chroma 3nm Ha filter
ADM Aimer

guiding:
William Optics 50 x 200 Guide Scope
ASI 290M Mini 

Paramount MX+

from the Beevo Dome

TheSkyX, SGP, PHD2
PixInsight, Mac OS Photos, Preview

...Stephen

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RCW 4, Area, Ha, Stephen Garretson

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The refractors!