alex_stars

Refractor for planets, mostly visual, 4" or 5" 1 2 3 4 8

By alex_stars, January 29, 2021 in Discussions - Scopes / Whole setups

[settled] 12 mm Planetary Eyepiece. Ortho or Zoom? 1 2 3

By alex_stars, August 24, 2020 in Discussions - Eyepieces

• planets
• ortho

Jupiter: "best" magnification, towards low or high values

By alex_stars, January 23, 2022 in Observing - Planetary

OOUK OMC-140 Mechanics, thermal properties, collimation, focuser

By alex_stars, January 5, 2023 in Discussions - Scopes / Whole setups

Mars 09.10.2020, first time for me at 0.15"/px.

By alex_stars, October 9, 2020 in Imaging - Planetary

Sept 30th, Jupiter, Saturn, Moon and Mars

By alex_stars, October 1, 2020 in Imaging - Planetary

HyperFlex 7E1, Seben 8-24 Zoom, BCO 18 & 10 compared

By alex_stars, September 16, 2020 in Discussions - Eyepieces

• zoom eyepiece
• orthoscopic
• (and 1 more)

  Tagged with:

  • zoom eyepiece
  • orthoscopic
  • comparison

Lightweight Visual Back for a 180 Mak with Micro-Focusing

By alex_stars, September 29, 2020 in Discussions - Scopes / Whole setups

• mak180
• visual back
• (and 1 more)

  Tagged with:

  • mak180
  • visual back
  • microfocuser

Giro Ercole Mini azimuth-axis bearing radial play?

By alex_stars, January 29, 2023 in Discussions - Mounts

Precise Daytime Collimation of a Makutov-Cassegrain (projection method)

By alex_stars, February 21, 2023 in Discussions - Scopes / Whole setups

• collimation
• daytime
• (and 1 more)

  Tagged with:

  • collimation
  • daytime
  • maksutov-cassegrain

Celestron AVX Dual saddle plate issue with 7" Mak

By alex_stars, August 2, 2020 in Discussions - Mounts

• mount
• mak180

Jupiter: Oval BA observation challenge 2022 with calculated transit times

By alex_stars, January 19, 2022 in Observing - Planetary