July 29, 2024: Full disc mosaics and some details inH-alpha

[michael.h.f.wilkinson]

Finally managed to make another full-disc, 16-pane, H-alpha mosaic this morning. I used my usual APM 80mm F/6 triplet with Beloptik tri-band ERF, Baader TZ-4 4x telecentric, Solar Spectrum 0.3 Å H-alpha filter and ZWO ASI174MM camera. I captured 16 1000 frame SER files, stacked the best 35% with AS!3, sharpened the result with ImPPG, stitched in MS-ICE, and final tweaks in GIMP.

Grey scale:

Pseudo colour:

Part inverted:

Part inverted + pseudo colour:

Clicking for the full resolution version highly recommended.

I took a separate 4000 frame SER file of the most active area, stacked as before.

Grey scale:

Pseudo colour:

Really happy with the results

[Hals]

Excellent Michael. The narrow 0.3Angstrom bandpass makes all the difference. Solar Spectrum do make very good etalons. Lovely details and very nicely presented.

[Planetary Observer]

Very nice indeed, and really good clarity and detail.