The Question Mark Nebula
| Object | The Question Mark Nebula (NGC7822 / SH2-171 and SH2-171), in Cepheus |
| Telescope (Photo) | William Optics Redcat 51 III OTA @ f/4.9 on Losmandy G-11 Mount |
| Telescope (Guiding) | Off-axis using OAG-Large with Redcat 51 III OTA @ f/4.9 on Losmandy G-11 mount |
| Camera (Photo) | ZWO ASI6200MM Pro full-frame monochrome CMOS Camera with ZWO 7 position 2" filter wheel, controlled by N.I.N.A |
| Camera (Guiding) | ZWO ASI174MM Mini w/PHD2 Guiding |
| Exposure Detail |
Combination of 204 images at 300 seconds each: 68 SII 68 Ha 68 OIII Total 17 hours data capture, using ZWO 2" narrowband filters. Calibrated with bias, flat-dark, dark, and flat frames; image processing w/PixInsight 1.9.3 |
| Location | Quilted Starfields Observatory, Chiefland, FL (N29.406, W82.859) |
| Date | 09/03/2025-09/05-2025 |