Photo of the day
NGC7293 Helix Nebula
Scope/Mount: TS-Optics PhotoLine 130mm F7 APO Refractor with Astro-Tech AREDT30 Focal-Reducer/Field-flattener, Celestron CI-700 Mount
Camera: ZWO ASI1600MMC monochrome with ZWO LRGB and Ha, Oiii, Sii filters
Guiding: QHY5L-IIM through Orion Deluxe OAG, PHD guiding software
Exposure: Ha:(18) 300 secs @ gain=300, Oiii:(18) 300 secs @ gain=300, RGB: each channel (10) 120 sec @ gain=200
Software: Nebulosity, Pixinsight
Comment: 09-28-2024, Tierra del Sol, CA, good conditions. Palette = HHO plus RGB for stars.
Mark Eby