The Seagull Nebula, also referred to as IC2177 and NGC 2327 The Seagull’s Head in the constellations of Monoceros and Canis Major, lying at a distance of 3,600 light-years from Earth. Captured from Grand Mesa Observatory in Narrowband using a QHY600 60 Megapixel Full Frame Monochrome CMOS camera mounted on a Takahashi 130 FSQ.
In this Hubble Palette version (SHO) the H-Alpha is mapped to green channel, SII is mapped to red channel and OIII is mapped to the blue channel. The raw data was
preprocessed using Pixinsight, the stars were removed in Photoshop using StarXTerminator and then later replaced.Captured over 4 nights in February 2022 for a total acquisition time of 14.6 hours.
This setup is available immediately for people wanting to subscribe to Grand Mesa Observatory's system 1.
grandmesaobservatory.com/equipment-rentals.Technical Details
Captured and processed by: Terry Hancock
Location: GrandMesaObservatory.com Purdy Mesa, Colorado
Dates of Capture February 9, 11, 12, 13 2022
HA 315 min, 63 x 300 sec
OIII 260 min, 52 x 300 sec
SII 305 min, 61 x 300 sec
Narrowband Filters by Chroma
Camera: QHY600 Monochrome CMOS Photographic version, water cooled
Gain 26, Offset 76 in Read Mode Photographic 16 bit, bin 2x2
Calibrated with Dark, Dark/Flat Frames
Optics: Walter Holloway's Takahashi FSQ 130 APO Refractor @ F5
Mount: Paramount ME
Image Scale:2.39 arcsec/pix
Image Acquisition software Maxim DL6, Pre Processing in Pixinsight Post Processed in Photoshop CC
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