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2MASS:
For manual dithering -
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Cold Start Power Up Sequence Procedure for coming out of lightning shutdown or checking out the telescope and instrument. —- 2mass_ln2_fill_instructions_with_pictures 2MASS liquid Nitrogren fill instructions. —- 2mass_umn60_troubleshooting Common issues and how to solve them at the Minnesota 60“ and 2MASS instrument. —-