Telescope Collimation Log & Guide

Telescope Collimation Log

Optical Alignment Tracker & Maintenance Record

Alignment Status: COLLIMATED

Orion XT8 Dobsonian

Owner: Astronomer Doe

Date: Oct 24, 2023

Session ID: COL-001


1. Environmental Conditions

Location: Backyard Observatory Temperature: 55°F
Seeing (1-5): 3/5 (Average) Transparency: 4/5 (Good)

2. Optical Alignment Diagram

Representation of the view through the focuser/Cheshire eyepiece.

Initial State: Misaligned (Secondary Offset)

Tools Used: Laser Collimator, Cheshire

3. Maintenance Notes

  • Secondary mirror rotation adjusted.
  • Primary mirror tilt corrected via locking screws.
  • Star test performed on Polaris.

Telescope & Environment


Alignment Visualizer

Use the sliders to replicate the "Before" view through your eyepiece to record the error.

X-Axis
Y-Axis
X-Axis
Y-Axis

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