Ha and Cal H Sun by Dr Nigel Price
This was the sun imaged in Hydrogen Alpha (656.28nm used here for red) and Calcium H (396.9nm used here for blue) with the spectroheliograph at 1330 today with great seeing.
Saturn 13, September 2023 22:16 UT
Celestron 9.25 EHD, f/28, Skyris 132M, Optolong IR685 RGB filters, 20% of 134,000 frames. By Dean Ashton
Partial Lunar Eclipse by Phil Brotherwood
Mars 1, December 202223:45 UT
Celestron 9.25 EHD, f/28, Skyris 132M, Optolong IR685 RGB filters, 8,190 frames. By Dean Ashton
The Sun at 13:28 UT 17, May 2024
by Nick Tonkin
C/2020 F3 Neowise
C/2020 F3 Neowise by Dean Ashton
H-Alpha sun 14:00 26, August 2023
Taken through a heavily modified Coranado PST scope and processed for both surface and prominence details. By Nigel price
Comet C/2023 E3 (ZTF)
Comet C/2023 E3 (ZTF) by Dean Ashton
Venus Transit 4, June 2004
TMB 80 f/6
Camera: SBIG 2000 XM
Mount: Losmandy G11 – Gemini Series IV GoTo
Filters: Lumicron H-Alpha and finally through SBIG CFW8’s Green filter.
Exposure: 1/250 sec & -3 º C By Nick Tonkin
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