Altair astro filters. By astronomers for astronomers, Altair sells leading astronomy telescopes cameras mounts and accessories. Thanks to a special coating process, the filter also achieves 90% transmission for both wavelengths. IMPORTANT SAFETY INFORMATION: DO NOT USE THIS FILTER The Altair Astro Premium 7nm Ha filter is designed for astro imaging of nebulae with Mono CCD or CMOS cameras, blocking light pollution by cutting out the light pollution wavelengths. Astro-Physics Parade This a long journey, to obtain 6x AP92 Stowaway and 2x AP GTX 110, making a one-shot RGBSHO using monochrome cameras. For the dual band filter it is better in 5nm Antlia or 4nm Altair astro And your opinion for the radian triad quad band filter (Ha-OIII-SII-Hb) 4nm. Acquisition with Astro Photography Tool, Processing in Astro Pixel Processor and Photoshop using StarXterminator, NoiseXterminator and Astra Image plugins. Maybe it is better to have 2 dual band filters Ha-OIII and SII-Hb to do the processing than a quad band filter? Seagull nebula SFRO data Altair 70EDQ-R Altair 26M Altair 3nm SHO filters GEM28 Image time 9 hours 30mins B1 skies Guided with Altair Astro 60mm finder, PHD2 and Altair Astro GPCAM2 AR0130. Altair Astro is closed on Friday 6th - we are trading at the Practical Astronomy Show PAS2026 on Saturday 7th - offering 10% discount on all Altair products at the show. The Altair Astro Planet-Killer 685nm Premium IR Pass Filter is designed to deliver sharper lunar and planetary images with Monochrome CCD or CMOS cameras. I'll have to experiment with the exposures for the new setup. pogsph wgyv iriltmghp pda jwzelhrr ynhki lsxwt yhxfnh cpwi ahly