# About the atomic spectral data import using python

**URL:** <https://community.openastronomy.org/t/about-the-atomic-spectral-data-import-using-python/870>\
**Category:** Astropy\
**Created:** [January 7, 2024, 11:03am UTC](https://community.openastronomy.org/t/about-the-atomic-spectral-data-import-using-python/870 "2024-01-07T11:03:34Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![AnkitHMishra](https://dub1.discourse-cdn.com/flex005/user_avatar/community.openastronomy.org/ankithmishra/32/493_2.png) [@AnkitHMishra](https://community.openastronomy.org/u/AnkitHMishra)\
**Post date:** [January 7, 2024, 11:03am UTC](https://community.openastronomy.org/t/about-the-atomic-spectral-data-import-using-python/870/1 "2024-01-07T11:03:34Z")

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![Screenshot from 2024-01-07 16-28-24](https://europe1.discourse-cdn.com/flex005/uploads/openastronomy/original/1X/10270d1c72bb159a04c95d17b9bf657ed03d10d1.png)I am using astroquery NIST data and trying to import the spectral lines data of H I from specific wavelength range. But when I run the code it is providing me all the possible spectral lines. Earlier it used to run correct. I don’t know what is the issue. I have attached the snip in which the range is set from my wavelength data from 396 um to 460 um. But it is showing all possible wavelengths lines!