Astrophotography by Keith B. Quattrocch
Melotte 15 (IC 1805)
Emission Nebula in Cassiopeia
Keith B Quattrocchi and Bray Falls
Image Acquisition Information
Telescope: 16" RCOS Richey Chretien Truss Telescope (ion milled at f/9)
Camera: Full Frame ZWO ASI 6200MM CMOS Back-Illuminated Camera
Guiding: full frame: Starlight Xpress AO (USB version)
Filters: Astrodon LRBG and Ha Filters with Starlight Xpress 9 position FW
Acquisition Programs: The SkyX, SGP, PHD2
Processing Programs: CCDStack, Photoshop CS4, Astrobin, PixInsight.
Date: Data processed December 7, 2021. Data acquisition: November 29, 2021-December 7, 2021
Time: 82 x 10min for Ha, 16 x 10 min for SII and 26 x 10 min for OIII: for a total of 20.7 hours
Processing: CCD Stack and PhotoShop CS/4, Astrobin, PixInsight
Image Information: Melotte 15 is an emission nebula in is a spiral galaxy in Cassiopeia.
Processing Infornmation This LRGB and Ha images were obtained using AstroDon filters. The LRGB and Ha/OIII images were assembled in CCDStack with minimal DDP. The assembled image were recombined in Photoshop. Further stretching, high pass filtering and background smoothing was performed with Adobe Photoshop CS/4, Astrobin and PixInsight.
The Lost Valley Observatory
Located at Sierra Remote Observatories
Keith B Quattrocchi